18019804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1258

約数の個数: 36

約数和(自身を含む): 35809984

約数和(自身を除く): 17790180

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1201, 1364, 2402, 3751, 4804, 7502, 13211, 15004, 26422, 37231, 52844, 74462, 145321, 148924, 290642, 409541, 581284, 819082, 1638164, 4504951, 9009902, 18019804]

約数ペア:

[(1, 18019804), (2, 9009902), (4, 4504951), (11, 1638164), (22, 819082), (31, 581284), (44, 409541), (62, 290642), (121, 148924), (124, 145321), (242, 74462), (341, 52844), (484, 37231), (682, 26422), (1201, 15004), (1364, 13211), (2402, 7502), (3751, 4804)]